用complex fertilizer造句子，“complex fertilizer”造句

Process technology discusson on high-concentration NPK complex fertilizer

phospho potash complex fertilizer

An approach to the technological schemes and prospect of high-effica- cy complex fertilizer development in Sichuan, Yunnan and Guizhou

The product change from to ammonium nitrate to NPK complex fertilizer in the respects of raw materials, technical routes and production were given in this article.